"Toxic" was the most-searched song on Google in 2004 and helped Spears become the most-searched artist that year, a title she held from 1999-2001.
"I Just Wanna Love U (Give It 2 Me) " borrows four bars from Notorious B.I.G's "The World Is Filled." Jay-Z and Biggie Smalls attended Westinghouse Career and Technical Education High School in Brooklyn, New York at the same time.
The Exorcist theme music is a portion of "Tubular Bells," a 25-minute song released by 19-year-old Mike Oldfield.
"Ghosttown" was Madonna's 45th chart-topper on the Dance Club Songs chart, breaking the record for the most #1s an artist has tallied on a single Billboard chart.
"Just Dance" was Lady Gaga's first hit, and it also brought the techno-synth sound that had been popular in Europe for the previous decade to the United States.
"Paper Planes" was inspired by M.I.A.'s hassles trying to get a visa to enter America.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
A big list of musical marriages and family relations ranging from the simple to the truly dysfunctional.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
Songs where something goes horribly wrong (literally or metaphorically), and help is needed right away.